Question

In: Mechanical Engineering

Design an electro-pneumatic circuit to control a double-acting cylinder via a 5/2 way singlesolenoid valve. The...

Design an electro-pneumatic circuit to control a double-acting cylinder via a 5/2 way singlesolenoid valve. The on switch is of detent type and when actuated, the piston will repeatedly extend and retract until the switch is released. The length of forward stroke and the speed of forward and return motion should be adjustable via roller-limit switches and flow control valves respectively.

(a) Show pneumatic and electrical circuits for indirect control of the system described above, i.e. each switch in the circuit indirectly controls the output components via a dedicated relay. [15]

(c) Redesign your circuit incorporating non-contact sensing for piston position detection using three-wire capacitive sensors.

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